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Finding the Fourth Proportional to 707,031.84, 975,710.16 and 653,455.20

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Solution

The fourth proportional to 707,031.84, 975,710.16 and 653,455.20 is: 901,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,031.84 : 975,710.16 = 653,455.20 : x
  2. Step 2: Convert to fraction form
    707,031.84/975,710.16 = 653,455.20/x
  3. Step 3: Cross multiply
    707,031.84x = 975,710.16 × 653,455.20
  4. Step 4: Simplify right side
    707,031.84x = 637,582,877,744.83
  5. Step 5: Solve for x
    x = 637,582,877,744.83/707,031.84
  6. Step 6: Final answer
    x = 901,773.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.